Delta Blues™ is the first intermediate Vitex in the market. It is not nearly as coarse as other Vitex with a compact, rounded to upright growth habit. It has fragrant, dark bluish-purple flowers that attract butterflies and other pollinators. The foliage is dark green, fragrant and more refined than other selections. Delta Blues adapts to acid or alkaline soils as long as the site is well-drained. It is also salt tolerant. USDA Zones: 6-9.